xyvie lyons
Published © LGPL

I Made a DIY SMS Security System — and you can too

Turn your Arduino into a smart SMS security system. No fluff, just a practical DIY guide you can build today — free, simple, and real-world

IntermediateFull instructions provided3 hours80
I Made a DIY SMS Security System — and you can too

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
PIR Motion Sensor (generic)
PIR Motion Sensor (generic)
×1
Buzzer
Buzzer
×1

Software apps and online services

Arduino IDE
Arduino IDE

Hand tools and fabrication machines

Wire Cutter / Stripper, 5.25 " Overall Length
Wire Cutter / Stripper, 5.25 " Overall Length

Story

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Schematics

A screenshot of the whole schematic for the motion Alarm system

You can visit my gumroad https://xyvielyons.gumroad.com/l/smartmotiondetectoralarmsystem and get the whole ebook instead which has a more detailed version of the schematic

Code

Motion Alert System with SMS Notifications github code

You can find the whole code on github. Happy tinkering

Credits

xyvie lyons
1 project • 0 followers
Full-stack dev & hardware hacker. I build with Arduino, ESP32 & JavaScript — sharing hands-on projects, tools & real-world tutorials.

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